* {
  margin: 0;
  padding: 0;
}

body {
  background-color: #a7eaff;
}

/* 图片设置 */

img {
  height: 150px;
  width: 150px;
}

#img1 {
  float: left;
}

#img2 {
  float: right;
}

/* 容器设置 */

.box {
  width: 1200px;
  height: 700px;
  margin: 10% auto;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 1.5rem;
  box-shadow: 0 0 1rem 0.2rem rgb(0 0 0 / 10%);
  background-color: #ffffff;
}

/* 标题设置 */

#div-h {
  flex: 1;
  text-align: center;
}

h4 {
  font-size: 50px;
}

/* 表单设置 */

#div-input {
  flex: 10;
}

input {
  width: 80%;
  height: 75px;
  font-size: 30px;
  margin: auto 120px;
  margin-top: 50px;
  border: none;
  outline: none;
  border-bottom: 1px solid;
  background-color: rgba(0, 0, 0, 0);
}

/* 按钮设置 */
#but {
  width: 50%;
  height: 60px;
  font-size: 20px;
  border: none;
  border-radius: 0.5rem;
  margin-top: 50px;
  margin-left: 125px;
}